PHP get, check class name, function name, method name function Method _php Tutorial

PHP gets, checks the class name, function name, method name function method

This article mainly introduces the PHP acquisition, check the class name, function name, method name of the function method, this article summarizes the function of 7 functions and the introduction of the use, the need for friends can refer to the following

1.function_exists ()-Return TRUE If the given function has been defined

2.is_callable ()-detects if the parameter is a legitimate callable structure

3.class_exists ()-Checks if the class is defined

4.method_exists ()-Checks if the method of the class exists

__function__ function name (PHP 4.3.0 new addition). From PHP 5 This constant returns the name (case-sensitive) when the function is defined. In PHP 4, this value is always in lowercase letters.

The name of the __class__ class (PHP 4.3.0 new addition). From PHP 5 This constant returns the name of the class when it is defined (case-sensitive). In PHP 4, this value is always in lowercase letters.

The method name of the __method__ class (PHP 5.0.0 new addition). Returns the name of the method when it is defined (case-sensitive).

Note: These constants are preceded by a two underscore.

Get_class (class name);//Gets the name of the class that contains the current statement

Get_class_methods (class name);//Get all the method names of class name classes and make up an array

Get_class_vars (class name);//Get all the highlighted names of class name classes and form an array

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